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. 2019 Dec 31;9:20419. doi: 10.1038/s41598-019-56313-1

Figure 4.

Figure 4

Mean calcification rate ( ± SEM) of coral ramets (clonal nubbins) of each of the eight primary reef building coral species in the Hawaiian Archipelago, collected from naturally high (black) or low (grey) pH sites around Oʻahu (Fig. 1, Table 1), when held under either high or reduced pH conditions (local vs. foreign and home vs. away conditions) in the laboratory. Legend includes ANCOVA results for contrasts of slopes by source pH; only M. patula shows a signficant difference in pH tolerance according to source pH (p < 0.05). See Table S3 for additional ANOVA results.